In July 2017, the group leader Chi Zhongdong, the company's deputy manager Wang Jianfeng, and the sales department Lu Yurong attended the joint conference on EOR oil recovery agents of Sinopec in 2017. After intense negotiation, the product pricing formula was kept unchanged, and the market share of Dynamic Fine Chemical Co, Ltd. was determined. A framework agreement of 12 thousand tons was signed, which marked the smooth transition of the company's business from Zhongsheng Environmental Protection to Dynamic Fine Chemical Co, Ltd.